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        • KCI등재

          냉 · 난방 및 조명에너지를 통합 고려한 DSSC BIPV창호의 사무소건물 적용 효과 연구

          심세라(Sim Se-Ra), 윤종호(Yoon Jong-Ho), 신우철(Shin U-Cheul) 한국태양에너지학회 2011 한국태양에너지학회 논문집 Vol.31 No.3

          The aim of this study is to evaluate how much would the building energy consumption be saved by applying DSSC BIPV window which is possible to control the transmittance and express the color in the office building. For this, physical characteristics such as transmittance and reflectance, U-factor of DSSC are analyzed and an annual energy consumption that is connected to dimming control is calculated when DSSC BIPV window is applied by alternate clear window system. As a result, It is possible to reduce the an annual energy consumption as much as 4.1% by just change the clear double window system to DSSC BIPV double window system because the major factor to reduce energy consumption in the office that has much cooling load than other building is SHGC. When the thermal insulation properties of DSSC BIPV window with low-e coating and making triple window are improved, energy saving ratio is about 9%. Plus, energy saving ratio of 25~28% in lighting energy consumption is possible when the dimming control system with DSSC BIPV window is adopt.

        • KCI등재후보

          Electrochromic 창호 적용시 지역별 건물 냉난방 에너지 소비량 절감성능

          신재윤(Shin Jae-Yoon), 채영태(Chae Young Tae) 한국태양에너지학회 2018 한국태양에너지학회 논문집 Vol.38 No.5

          The most crucial point of reducing building energy is application of high performance envelope. The amount of heat exchange through window is highest in comparison of other envelopes so that heat exchange through window influence directly with building energy consumption. The window energy performance can be define with thermal, leakage and optical performance. In previous study we can confirmed that not only thermal performance but also optical performance are considered, 11% to 15% of building energy consumption can be reduced. Smart window system has potential of energy saving so that many industry field use smart window system including architectural area and these aspect causes smart window market continuous growth year by year. In this study, building energy consumption has been analyzed which consist of smart window that dynamically control optical states. The consideration of standard commercial building model for research, the reference medium size commercial building model of DOE (Department Of Energy, USA) has been used. The building energy simulation result of 4 axis in 8 regions in Korea shows 8% to 22% reduction of building energy consumption by application of smart window system.

        • KCI등재

          太陽輻射와 日射量

          박원훈,백기황 한국태양에너지학회 1979 한국태양에너지학회 논문집 Vol.2 No.2

          태양에너지 활용 시스템의 설계 및 응용에 필요한 일사량 추정방법을 소개하였다. 그리고 태양의 성질 및 태양광선의 대기권내에서의 변화를 설명하여 태양에너지의 특성에 대한 이해를 돕고 여러 형태의 일사량 추정방법을 비교 검토하였다.

        • KCI등재

          전국 고등학교 시설의 에너지 사용실태 분석 연구

          윤종호(Yoon Jong-Ho), 신우철(Shin U-Cheul), 조진일(Cho Jin-Il), 김효중(Kim Hyo-Jung), 이철성(Lee Chul-Sung) 한국태양에너지학회 2010 한국태양에너지학회 논문집 Vol.30 No.4

          The purpose of this study is to present various analysis result of energy consumption that is a statistical analysis of high school facilities in Korea for setting the goal of energy saving. This study enforced analysis after it provided used energy consumption for the year 2008 and general information from 2202 high school facilities in 16 cities in South Korea by the relevant agency. Consequently, it represents that the average energy consumption of electric power was 428.7㎿h(65.7%), gas consumption for heating was 129.5㎿h(19.8%),oil consumption was 84.6㎿h(13.0%), district energy was 10.0㎿h(1.5%) in nation after changing as unit '㎾h' only for comparison with every energy source. This result describes that consumption of electric power was large greatly and it reflects the expectation that it will climb the demand regarding this energy in the future. In additionally, it analyzed average energy consumption with 98.3㎾h/㎡ by the unit area of air-conditioning and the district which has large energy consumption was Gyeonggi-do with 115.9㎾h/㎡. Furthermore, it described the average energy consumption of60.8㎾h/㎡ by the unit area of floor area and the average energy consumption of a student analyzed with 1157.0㎾h.

        • KCI등재

          산업용 고효율 태양열집열기 개발 필요성

          곽희열(Hee Youl Kwak) 한국태양에너지학회 1998 한국태양에너지학회 논문집 Vol.18 No.2

          국내 소비 에너지 사용량의 97%를 수입에 의존하고 있고, 지구온난화와 관련된 환경문제가 심각하게 대두되고 있는 실정이다. 또한 우리나라 에너지 부문별 소비형태에서 47%를 차지하는 산업용의 에너지 소비는 대부분 유류에 의존하고 있고, 그 중에서도 제조부분의 소비가 91.5%로 나타나고 있어, 이 부분에 대체에너지원의 개발, 대체 시스템의 적용이 절실히 요구되고 있다.<br/> 우리나라에서도 국가적 에너지 절약과 쾌적한 주거환경 및 생활의 편리함을 위해 기존 화석에너지로부터 무공해 청정에너지(Clean Energy)로 그 사용형태가 바뀌어 가는 지금 그 양과 질적인 면에서 무한정이고 무공해인 대체 에너지원으로서의 태양에너지는 다양한 이용분야가 개발되어 실용화되고 있다. 국내의 경우 대표적으로 평판형 태양열집열기를 이용한 온수급탕 시스템을 들 수 있고, 냉난방, 산업공정열 및 태양열 발전 분야에 대한 실용화 및 타당성 연구가 활발히 진행되고 있다.<br/> 따라서 본 고에서는 태양열 시스템의 중요한 구성요소인 고효율 집열기술에서 산업용 응용(70~150℃)에 적합한 것으로 기대되는 진공유리관형 태양열집열기, 국내·외 기술개발 동향과 산업공정열의 대체 가능성에 대하여 기술하였다. Solar energy is a quantitatively unlimited, clean and non-pollutant source. It has a great potential for industrial commercial usages. For example, solar hot water system for domestic usage has been very popular in many counties.<br/> In Korea, the industries consume 47.7% of the total national energy, and the manufacturing sector uses 91.5% out of it. The main energy resoures available in Korea are oils, coals, and gases. There have been continuous efforts among the industries to reduce such energy consumptions by using alternative energy resources, such as solar energy, yet the technology has limited its proper applications to a level of satisfaction. In some advanced countries, research and development programs in solar energy applicable to the industrial usages are very active, and some systems are in the commercial market.<br/> Therefore, this paper describes the status and the feasibility for high-efficiency evacuated solar collector which was anticipated to applied for industrial process heat as an alternative of fossil energy.

        • KCI등재

          도시차원에서의 에너지 적용에 따른 문제점 및 체계 검토

          박률(Park Yool), 김삼열(Kim Sam-uel), 박진영(Park Jin-Young), 이상진(Lee Sang-Jin), 이정재(Yee Jurng-Jae) 한국태양에너지학회 2009 한국태양에너지학회 논문집 Vol.29 No.3

          Recently, many sociaL economical and political problems have occurred in the field of urban energy supply because of the depletion of fossil fuels and the international climate change agreements and the current energy-related laws focus on individual buildings which makes them difficult to implement. Also, the policies for energy savings have increased day by day, but it is difficult to establish efficient urban plan because of lack of integrated policies and institutions. Current legal systems for urban plan does not cover domestic and intemational climate change agreements, energy related industry's structural changes and other environmental problems such as embodied energy and global warming. This paper tries to investigate current conditions of legal system to provide fundamental materials for improving energy conservation in urban plan.

        • 국내외 주거용 건물의 에너지성능 평가방법 비교분석

          송승영(Song Seung-Yeoung), 구보경(Koo Bo-Kyoung), 이병인(Lee Beung-In), 송진희(Song Jin-hee), 김연희(Kim Yeon-hee) 한국태양에너지학회 2009 한국태양에너지학회 학술대회논문집 Vol.2009 No.11월

          Many Countries are making nationwide efforts to reduce the energy consumption which causes greenhouse gas emissions and global warming problems. Energy performance assessments and certification systems have been in force to save energy consumption of residential buildings, and are anticipated to have strong effects through the systems. Korean Building Energy Efficiency Rating System is in its early stages and is considered that the additional upgrade is needed for the accurate assessment. Thus, in this study, the assessment methods of the Building Energy Efficiency Rating System of Korea and the SAP2005 of UK were compared and energy requirements of an actual residential building were calculated with two assessment methods, respectively. The strengths and shortcomings of two systems were analyzed and a way of improving Korean system was suggested.

        • KCI등재

          부산시 공공건축물의 에너지사용량 분석 및 개선방안 연구

          김삼열(Kim Sam-uel), 김세환(Kim Se-Hwan) 한국태양에너지학회 2011 한국태양에너지학회 논문집 Vol.31 No.1

          The energy used in Korea is strongly dependent on that produced by foreign countries. Accordingly, saving energy is more important than ever, because of the rise of international oil prices and depletion of oil resources. The development of energy efficient buildings is required especially for public buildings in Korea. In this study, the energy use of public buildings is identified. Then, the analysis of energy usage through regional offices in Busan City offers energy saving measures for public buildings.

        • Glazing 특성에 따른 고층 오피스 건물의 에너지성능 분석

          황우진(Hwang Woo-Jin), 김교준(Kim kyo-Joon), 최원기(Choi Won-Ki) 한국태양에너지학회 2011 한국태양에너지학회 학술대회논문집 Vol.2011 No.4

          In case of newly constructed buildings, the construction type is almost Curtain-wall system or large window in building skin. However, these kind of buildings have problems with regulations on building energy efficiency. And national regulations on building energy efficiency limit only the U-factor of window(except infiltration), it is hard to predict energy consumption of Curtain-wall buildings which gain large solar energy in summer. In this study, the influence of LSG(Light to Solar Gain) on energy performance was theoretically analyzed with simulation. LSG is the value of VLT divide SHGC and represents the optical performance of the glass or glazing. The Window & Therm program developed in LBNL was used to analyze window systems and EnergyPlus was used to building energy. Cases of glazing are three types; single coated Low-e clear glazing, tripple coated Low-e clear glazing, tripple coated Low-e tinted glazing. The results of this study are follows; 1) The building energy consumption of Alt-1, 2, 3 were about 300, 253, 259 kWh/㎡ · yr respectively. Therefore, improvement of LSG could save the energy up to 16%. 2) The saved energy could be converted 1 billion won as annual benefit of total energy costs 3) SHGC and LSG more influence on cooling energy than heating energy in office buildings.

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